On 12/10/19 11:00 PM, Chris Murphy wrote:
Could continue to chat in one application, the desktop environment was
responsive, but no shells worked and I couldn't get to a tty and I
couldn't ssh into remotely. Looks like the journal has everything up
until I pressed and held down the power button.
/dev/nvme0n1p7 on / type btrfs
(rw,noatime,seclabel,compress=zstd:1,ssd,space_cache=v2,subvolid=274,subvol=/root)
dmesg pretty
https://pastebin.com/pvG3ERnd
dmesg (likely MUA stomped)
[10224.184137] flap.local kernel: perf: interrupt took too long (2522
2500), lowering kernel.perf_event_max_sample_rate to 79000
[14712.698184] flap.local kernel: perf: interrupt took too long (3153
3152), lowering kernel.perf_event_max_sample_rate to 63000
[17903.211976] flap.local kernel: Lockdown: systemd-logind:
hibernation is restricted; see man kernel_lockdown.7
[22877.667177] flap.local kernel: BUG: kernel NULL pointer
dereference, address: 00000000000006c8
[22877.667182] flap.local kernel: #PF: supervisor read access in kernel mode
[22877.667184] flap.local kernel: #PF: error_code(0x0000) - not-present page
[22877.667187] flap.local kernel: PGD 0 P4D 0
[22877.667191] flap.local kernel: Oops: 0000 [#1] SMP PTI
[22877.667194] flap.local kernel: CPU: 2 PID: 14747 Comm: kworker/u8:7
Not tainted 5.5.0-0.rc1.git0.1.fc32.x86_64+debug #1
[22877.667196] flap.local kernel: Hardware name: HP HP Spectre
Notebook/81A0, BIOS F.43 04/16/2019
[22877.667226] flap.local kernel: Workqueue: btrfs-delalloc
btrfs_work_helper [btrfs]
[22877.667233] flap.local kernel: RIP:
0010:bio_associate_blkg_from_css+0x1c/0x3b0
This looks like the extent_map bdev cleanup thing that was supposed to be fixed,
did you send the patch without the fix for it Dave? Thanks,
Josef
